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117 lines
3.6 KiB
117 lines
3.6 KiB
//============ Copyright (c) Valve Corporation, All rights reserved. ============
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//
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// Functionality to render object motion blur
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//
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//===============================================================================
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#include "cbase.h"
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#include "object_motion_blur_effect.h"
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#include "model_types.h"
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ConVar mat_object_motion_blur_enable( "mat_object_motion_blur_enable", "0" );
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ConVar mat_object_motion_blur_model_scale( "mat_object_motion_blur_model_scale", "1.2" );
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CObjectMotionBlurManager g_ObjectMotionBlurManager;
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int CObjectMotionBlurManager::RegisterObject( C_BaseAnimating *pEntity, float flVelocityScale )
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{
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int nIndex;
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if ( m_nFirstFreeSlot == ObjectMotionBlurDefinition_t::END_OF_FREE_LIST )
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{
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nIndex = m_ObjectMotionBlurDefinitions.AddToTail();
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}
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else
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{
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nIndex = m_nFirstFreeSlot;
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m_nFirstFreeSlot = m_ObjectMotionBlurDefinitions[nIndex].m_nNextFreeSlot;
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}
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m_ObjectMotionBlurDefinitions[nIndex].m_pEntity = pEntity;
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m_ObjectMotionBlurDefinitions[nIndex].m_flVelocityScale = flVelocityScale;
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m_ObjectMotionBlurDefinitions[nIndex].m_nNextFreeSlot = ObjectMotionBlurDefinition_t::ENTRY_IN_USE;
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return nIndex;
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}
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void CObjectMotionBlurManager::UnregisterObject( int nObjectHandle )
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{
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Assert( !m_ObjectMotionBlurDefinitions[nObjectHandle].IsUnused() );
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m_ObjectMotionBlurDefinitions[nObjectHandle].m_nNextFreeSlot = m_nFirstFreeSlot;
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m_ObjectMotionBlurDefinitions[nObjectHandle].m_pEntity = NULL;
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m_nFirstFreeSlot = nObjectHandle;
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}
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void CObjectMotionBlurManager::DrawObjects()
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{
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for ( int i = 0; i < m_ObjectMotionBlurDefinitions.Count(); ++ i )
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{
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if ( m_ObjectMotionBlurDefinitions[i].ShouldDraw() )
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{
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m_ObjectMotionBlurDefinitions[i].DrawModel();
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}
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}
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}
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int CObjectMotionBlurManager::GetDrawableObjectCount()
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{
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int nCount = 0;
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for ( int i = 0; i < m_ObjectMotionBlurDefinitions.Count(); ++ i )
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{
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if ( m_ObjectMotionBlurDefinitions[i].ShouldDraw() )
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{
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nCount++;
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}
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}
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return nCount;
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}
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void CObjectMotionBlurManager::ObjectMotionBlurDefinition_t::DrawModel()
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{
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Vector vVelocity;
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m_pEntity->EstimateAbsVelocity( vVelocity );
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float flR = ( m_flVelocityScale * vVelocity.x + 128.0f ) / 256.0f;
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float flG = ( m_flVelocityScale * vVelocity.y + 128.0f ) / 256.0f;
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float flColor[3] = { flR, flG, 0.0f };
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render->SetColorModulation( flColor );
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C_BaseEntity *pAttachment;
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RenderableInstance_t instance;
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instance.m_nAlpha = 255;
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if ( mat_object_motion_blur_model_scale.GetFloat() != 1.0f )
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{
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m_pEntity->SetModelScale( mat_object_motion_blur_model_scale.GetFloat() );
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m_pEntity->InvalidateBoneCache();
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m_pEntity->DrawModel( STUDIO_RENDER | STUDIO_SKIP_FLEXES | STUDIO_DONOTMODIFYSTENCILSTATE | STUDIO_NOLIGHTING_OR_CUBEMAP | STUDIO_SKIP_DECALS, instance );
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pAttachment = m_pEntity->FirstMoveChild();
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while ( pAttachment != NULL )
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{
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if ( pAttachment->ShouldDraw() )
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{
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pAttachment->DrawModel( STUDIO_RENDER | STUDIO_SKIP_FLEXES | STUDIO_DONOTMODIFYSTENCILSTATE | STUDIO_NOLIGHTING_OR_CUBEMAP | STUDIO_SKIP_DECALS, instance );
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}
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pAttachment = pAttachment->NextMovePeer();
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}
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m_pEntity->SetModelScale( 1.0f );
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m_pEntity->InvalidateBoneCache();
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}
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flColor[2] = 1.0f;
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render->SetColorModulation( flColor );
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m_pEntity->DrawModel( STUDIO_RENDER | STUDIO_SKIP_FLEXES | STUDIO_DONOTMODIFYSTENCILSTATE | STUDIO_NOLIGHTING_OR_CUBEMAP | STUDIO_SKIP_DECALS, instance );
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pAttachment = m_pEntity->FirstMoveChild();
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while ( pAttachment != NULL )
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{
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if ( pAttachment->ShouldDraw() )
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{
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pAttachment->DrawModel( STUDIO_RENDER | STUDIO_SKIP_FLEXES | STUDIO_DONOTMODIFYSTENCILSTATE | STUDIO_NOLIGHTING_OR_CUBEMAP | STUDIO_SKIP_DECALS, instance );
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}
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pAttachment = pAttachment->NextMovePeer();
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}
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}
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